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Heyco® RDD Lockit™ Strain Relief
Bushings - Straight-Thru

Snap onto Flat Cables for Faster Assembly into Double D Mounting Holes - Semi-Automatic Equipment Available

  • Part Numbers and Specifications
  • Features
WILL FIT THESE CABLES PANEL DIMENSIONS RDD LOCKIT STRAIN RELIEF
for Faster Assembly
Corresponding
Mounting Hole Plug
CAD
UL
Type
AWG/
Conductors
Approximate
Size
Mounting Hole
Size
Thickness
PART NO. DESC. PART
NO.
DESC.
in. mm. in. mm. in. mm. Black White
SPT-1 18/2
18/3
.105 x .222
.116 x .315
2,7 x 5,6
2,9 x 8,0
.625 w/
.550 flats
15,9 w/
14,0 flats
.032 0,8 1872 1873 RDD 100A 2497 DD 625-550 CAD
.040 1,0
.048 1,2
.063 1,6
.099 2,5
SPT-2
HPN
18/2
18/3
16/3
.116 x .315
.160 x .300
2,9 x 8,0
4,1 x 7,6
.625 w/
.550 flats
15,9 w/
14,0 flats
.032 0,8 1874 1875 RDD 100 2497 DD 625-550 CAD
.040 1,0
.048 1,2
.063 1,6
.099 2,5
HPN 18/3
.15 x .34
.16 x .37
3,8 x 8,6
4,1 x 9,4
.875 w/
.770 flats
22,2 w/
19,6 flats
1878 1879 RDD 200 2509 DD 875-770 CAD
16/3
SPT-2 18/3
.15 x .40 3,8 x 10,2 .032 0,8
16/3 .16 x .41 4,1 x 10,4 .063 1,6
SPT-3 18/2 .19 x .35 4,8 x 8,9 .099 2,5
18/3 .19 x .39 4,8 x 9,9 .126 3,2
16/2 .20 x .37 5,1 x 9,4 .157 4,0
16/3 .20 x .43 5,1 x 10,9
14/2 .24 x .42 6,1 x 10,7
Same as RDD 200 above except –––––––––––––––––––––––––––––> .078 2,0 1876 1877 RDD 200-2* 2509 DD 875-770 CAD
.140 3,4
Same as RDD 200 above except –––––––––––––––––––––––––––––> 1.109 w/
1.006 flats
28,2 w/
25,4 flats
.063 1,6 1798 1799 RDD 510 2717 DD 1109-1000  
.099 2,5
.126 3,2
.157 4,0
.187 4,8

Standard color black. Consult Heyco for white and other colors.
*Designed for cast or other mounting holes with rounded edges.

  • Assembly friendly! Independent of insertion into the panel, RDD Lockit™ Strain Reliefs self-lock onto the cable. Preassemble RDD Lockits off line for final assembly at a later time or remote location, for lower installed cost!
  • Install easily with fingertip pressure into a standard round or Double D hole. No tools required, even for hand assembly.
  • Protect the lifeline of your electric/electronic products by absorbing the forces of push and pull that may be exerted on the flexible power cord. Double D design eliminates the possibility of part rotation under forces of twist.
  • Multiple panel locking steps secure Lockit Strain Reliefs into a wide range of panel thicknesses for a flush, finished fit.
  • Heyco's automated Pre-Assembly Equipment speeds assembly of the RDD onto the cable and thus lowers costs while greatly reducing risk of carpal tunnel syndrome.
  • Consult Heyco for other wire types and sizes.
  • Corresponding Mounting Hole Plugs can be used to fill blank/unused Mounting Holes and thus allow for a single panel design for multiple applications.
  • For Double D Mounting Hole Punches, click here.

QuickSpecs

Material   Nylon 6/6
Certifications ru Recognized under the Component Program of Underwriters' Laboratories File E15331
csa Certified by the Canadian Standards Association File 8919
Flammability Rating   94V-2
Temperature Range   -.04°F (-18°C) to 221°F (105°C)
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